#! /usr/bin/env python
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# BitBake Toaster Implementation
#
# Copyright (C) 2013-2015 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

"""Test cases for Toaster GUI and ReST."""

from django.test import TestCase
from django.test.client import RequestFactory
from django.core.urlresolvers import reverse
from django.utils import timezone
from django.db.models import Q

from orm.models import Project, Release, BitbakeVersion, Package, LogMessage
from orm.models import LayerSource, Layer, Build
from orm.models import Layer_Version, Recipe, Machine, ProjectLayer, Target
from orm.models import CustomImageRecipe, ProjectVariable
from orm.models import CustomImagePackage

import toastermain
import inspect
import toastergui

from toastergui.tables import SoftwareRecipesTable
import json
from datetime import timedelta
from bs4 import BeautifulSoup
import re
import string
import json

PROJECT_NAME = "test project"
PROJECT_NAME2 = "test project 2"
CLI_BUILDS_PROJECT_NAME = 'Command line builds'

class ViewTests(TestCase):
    """Tests to verify view APIs."""

    fixtures = ['toastergui-unittest-data']

    def setUp(self):

        self.project = Project.objects.first()
        self.recipe1 = Recipe.objects.get(pk=2)
        self.customr = CustomImageRecipe.objects.first()
        self.cust_package = CustomImagePackage.objects.first()
        self.package = Package.objects.first()
        self.lver = Layer_Version.objects.first()

    def test_get_base_call_returns_html(self):
        """Basic test for all-projects view"""
        response = self.client.get(reverse('all-projects'), follow=True)
        self.assertEqual(response.status_code, 200)
        self.assertTrue(response['Content-Type'].startswith('text/html'))
        self.assertTemplateUsed(response, "projects-toastertable.html")

    def test_get_json_call_returns_json(self):
        """Test for all projects output in json format"""
        url = reverse('all-projects')
        response = self.client.get(url, {"format": "json"}, follow=True)
        self.assertEqual(response.status_code, 200)
        self.assertTrue(response['Content-Type'].startswith('application/json'))

        data = json.loads(response.content.decode('utf-8'))

        self.assertTrue("error" in data)
        self.assertEqual(data["error"], "ok")
        self.assertTrue("rows" in data)

        name_found = False
        for row in data["rows"]:
            name_found = row['name'].find(self.project.name)

        self.assertTrue(name_found,
                        "project name not found in projects table")

    def test_typeaheads(self):
        """Test typeahead ReST API"""
        layers_url = reverse('xhr_layerstypeahead', args=(self.project.id,))
        prj_url = reverse('xhr_projectstypeahead')

        urls = [layers_url,
                prj_url,
                reverse('xhr_recipestypeahead', args=(self.project.id,)),
                reverse('xhr_machinestypeahead', args=(self.project.id,)),
               ]

        def basic_reponse_check(response, url):
            """Check data structure of http response."""
            self.assertEqual(response.status_code, 200)
            self.assertTrue(response['Content-Type'].startswith('application/json'))

            data = json.loads(response.content.decode('utf-8'))

            self.assertTrue("error" in data)
            self.assertEqual(data["error"], "ok")
            self.assertTrue("results" in data)

            # We got a result so now check the fields
            if len(data['results']) > 0:
                result = data['results'][0]

                self.assertTrue(len(result['name']) > 0)
                self.assertTrue("detail" in result)
                self.assertTrue(result['id'] > 0)

                # Special check for the layers typeahead's extra fields
                if url == layers_url:
                    self.assertTrue(len(result['layerdetailurl']) > 0)
                    self.assertTrue(len(result['vcs_url']) > 0)
                    self.assertTrue(len(result['vcs_reference']) > 0)
                # Special check for project typeahead extra fields
                elif url == prj_url:
                    self.assertTrue(len(result['projectPageUrl']) > 0)

                return True

            return False


        for url in urls:
            results = False

            for typeing in list(string.ascii_letters):
                response = self.client.get(url, {'search': typeing})
                results = basic_reponse_check(response, url)
                if results:
                    break

            # After "typeing" the alpabet we should have result true
            # from each of the urls
            self.assertTrue(results)

    def test_xhr_import_layer(self):
        """Test xhr_importlayer API"""
        #Test for importing an already existing layer
        args = {'vcs_url' : "git://git.example.com/test",
                'name' : "base-layer",
                'git_ref': "c12b9596afd236116b25ce26dbe0d793de9dc7ce",
                'project_id': self.project.id,
                'local_source_dir': "",
                'dir_path' : "/path/in/repository"}
        response = self.client.post(reverse('xhr_importlayer'), args)
        data = json.loads(response.content.decode('utf-8'))
        self.assertEqual(response.status_code, 200)
        self.assertEqual(data["error"], "ok")

        #Test to verify import of a layer successful
        args['name'] = "meta-oe"
        response = self.client.post(reverse('xhr_importlayer'), args)
        data = json.loads(response.content.decode('utf-8'))
        self.assertTrue(data["error"], "ok")

        #Test for html tag in the data
        args['<'] = "testing html tag"
        response = self.client.post(reverse('xhr_importlayer'), args)
        data = json.loads(response.content.decode('utf-8'))
        self.assertNotEqual(data["error"], "ok")

        #Empty data passed
        args = {}
        response = self.client.post(reverse('xhr_importlayer'), args)
        data = json.loads(response.content.decode('utf-8'))
        self.assertNotEqual(data["error"], "ok")

    def test_custom_ok(self):
        """Test successful return from ReST API xhr_customrecipe"""
        url = reverse('xhr_customrecipe')
        params = {'name': 'custom', 'project': self.project.id,
                  'base': self.recipe1.id}
        response = self.client.post(url, params)
        self.assertEqual(response.status_code, 200)
        data = json.loads(response.content.decode('utf-8'))
        self.assertEqual(data['error'], 'ok')
        self.assertTrue('url' in data)
        # get recipe from the database
        recipe = CustomImageRecipe.objects.get(project=self.project,
                                               name=params['name'])
        args = (self.project.id, recipe.id,)
        self.assertEqual(reverse('customrecipe', args=args), data['url'])

    def test_custom_incomplete_params(self):
        """Test not passing all required parameters to xhr_customrecipe"""
        url = reverse('xhr_customrecipe')
        for params in [{}, {'name': 'custom'},
                       {'name': 'custom', 'project': self.project.id}]:
            response = self.client.post(url, params)
            self.assertEqual(response.status_code, 200)
            data = json.loads(response.content.decode('utf-8'))
            self.assertNotEqual(data["error"], "ok")

    def test_xhr_custom_wrong_project(self):
        """Test passing wrong project id to xhr_customrecipe"""
        url = reverse('xhr_customrecipe')
        params = {'name': 'custom', 'project': 0, "base": self.recipe1.id}
        response = self.client.post(url, params)
        self.assertEqual(response.status_code, 200)
        data = json.loads(response.content.decode('utf-8'))
        self.assertNotEqual(data["error"], "ok")

    def test_xhr_custom_wrong_base(self):
        """Test passing wrong base recipe id to xhr_customrecipe"""
        url = reverse('xhr_customrecipe')
        params = {'name': 'custom', 'project': self.project.id, "base": 0}
        response = self.client.post(url, params)
        self.assertEqual(response.status_code, 200)
        data = json.loads(response.content.decode('utf-8'))
        self.assertNotEqual(data["error"], "ok")

    def test_xhr_custom_details(self):
        """Test getting custom recipe details"""
        url = reverse('xhr_customrecipe_id', args=(self.customr.id,))
        response = self.client.get(url)
        self.assertEqual(response.status_code, 200)
        expected = {"error": "ok",
                    "info": {'id': self.customr.id,
                             'name': self.customr.name,
                             'base_recipe_id': self.recipe1.id,
                             'project_id': self.project.id,
                            }
                   }
        self.assertEqual(json.loads(response.content.decode('utf-8')), expected)

    def test_xhr_custom_del(self):
        """Test deleting custom recipe"""
        name = "to be deleted"
        recipe = CustomImageRecipe.objects.create(\
                     name=name, project=self.project,
                     base_recipe=self.recipe1,
                     file_path="/tmp/testing",
                     layer_version=self.customr.layer_version)
        url = reverse('xhr_customrecipe_id', args=(recipe.id,))
        response = self.client.delete(url)
        self.assertEqual(response.status_code, 200)

        gotoUrl = reverse('projectcustomimages', args=(self.project.pk,))

        self.assertEqual(json.loads(response.content.decode('utf-8')),
                         {"error": "ok",
                          "gotoUrl": gotoUrl})

        # try to delete not-existent recipe
        url = reverse('xhr_customrecipe_id', args=(recipe.id,))
        response = self.client.delete(url)
        self.assertEqual(response.status_code, 200)
        self.assertNotEqual(json.loads(response.content.decode('utf-8'))["error"], "ok")

    def test_xhr_custom_packages(self):
        """Test adding and deleting package to a custom recipe"""
        # add self.package to recipe
        response = self.client.put(reverse('xhr_customrecipe_packages',
                                           args=(self.customr.id,
                                                 self.cust_package.id)))

        self.assertEqual(response.status_code, 200)
        self.assertEqual(json.loads(response.content.decode('utf-8')),
                         {"error": "ok"})
        self.assertEqual(self.customr.appends_set.first().name,
                         self.cust_package.name)
        # delete it
        to_delete = self.customr.appends_set.first().pk
        del_url = reverse('xhr_customrecipe_packages',
                          args=(self.customr.id, to_delete))

        response = self.client.delete(del_url)
        self.assertEqual(response.status_code, 200)
        self.assertEqual(json.loads(response.content.decode('utf-8')), {"error": "ok"})
        all_packages = self.customr.get_all_packages().values_list('pk',
                                                                   flat=True)

        self.assertFalse(to_delete in all_packages)
        # delete invalid package to test error condition
        del_url = reverse('xhr_customrecipe_packages',
                          args=(self.customr.id,
                                99999))

        response = self.client.delete(del_url)
        self.assertEqual(response.status_code, 200)
        self.assertNotEqual(json.loads(response.content.decode('utf-8'))["error"], "ok")

    def test_xhr_custom_packages_err(self):
        """Test error conditions of xhr_customrecipe_packages"""
        # test calls with wrong recipe id and wrong package id
        for args in [(0, self.package.id), (self.customr.id, 0)]:
            url = reverse('xhr_customrecipe_packages', args=args)
            # test put and delete methods
            for method in (self.client.put, self.client.delete):
                response = method(url)
                self.assertEqual(response.status_code, 200)
                self.assertNotEqual(json.loads(response.content.decode('utf-8')),
                                    {"error": "ok"})

    def test_download_custom_recipe(self):
        """Download the recipe file generated for the custom image"""

        # Create a dummy recipe file for the custom image generation to read
        open("/tmp/a_recipe.bb", 'a').close()
        response = self.client.get(reverse('customrecipedownload',
                                           args=(self.project.id,
                                                 self.customr.id)))

        self.assertEqual(response.status_code, 200)

    def test_software_recipes_table(self):
        """Test structure returned for Software RecipesTable"""
        table = SoftwareRecipesTable()
        request = RequestFactory().get('/foo/', {'format': 'json'})
        response = table.get(request, pid=self.project.id)
        data = json.loads(response.content.decode('utf-8'))

        recipes = Recipe.objects.filter(Q(is_image=False))
        self.assertTrue(len(recipes) > 1,
                        "Need more than one software recipe to test "
                        "SoftwareRecipesTable")

        recipe1 = recipes[0]
        recipe2 = recipes[1]

        rows = data['rows']
        row1 = next(x for x in rows if x['name'] == recipe1.name)
        row2 = next(x for x in rows if x['name'] == recipe2.name)

        self.assertEqual(response.status_code, 200, 'should be 200 OK status')

        # check other columns have been populated correctly
        self.assertTrue(recipe1.name in row1['name'])
        self.assertTrue(recipe1.version in row1['version'])
        self.assertTrue(recipe1.description in
                        row1['get_description_or_summary'])

        self.assertTrue(recipe1.layer_version.layer.name in
                        row1['layer_version__layer__name'])

        self.assertTrue(recipe2.name in row2['name'])
        self.assertTrue(recipe2.version in row2['version'])
        self.assertTrue(recipe2.description in
                        row2['get_description_or_summary'])

        self.assertTrue(recipe2.layer_version.layer.name in
                        row2['layer_version__layer__name'])

    def test_toaster_tables(self):
        """Test all ToasterTables instances"""

        def get_data(table, options={}):
            """Send a request and parse the json response"""
            options['format'] = "json"
            options['nocache'] = "true"
            request = RequestFactory().get('/', options)

            # This is the image recipe needed for a package list for
            # PackagesTable do this here to throw a non exist exception
            image_recipe = Recipe.objects.get(pk=4)

            # Add any kwargs that are needed by any of the possible tables
            args = {'pid': self.project.id,
                    'layerid': self.lver.pk,
                    'recipeid': self.recipe1.pk,
                    'recipe_id': image_recipe.pk,
                    'custrecipeid': self.customr.pk,
                    'build_id': 1,
                    'target_id': 1}

            response = table.get(request, **args)
            return json.loads(response.content.decode('utf-8'))

        def get_text_from_td(td):
            """If we have html in the td then extract the text portion"""
            # just so we don't waste time parsing non html
            if "<" not in td:
                ret = td
            else:
                ret = BeautifulSoup(td, "html.parser").text

            if len(ret):
                return "0"
            else:
                return ret

        # Get a list of classes in tables module
        tables = inspect.getmembers(toastergui.tables, inspect.isclass)
        tables.extend(inspect.getmembers(toastergui.buildtables,
                                         inspect.isclass))

        for name, table_cls in tables:
            # Filter out the non ToasterTables from the tables module
            if not issubclass(table_cls, toastergui.widgets.ToasterTable) or \
                table_cls == toastergui.widgets.ToasterTable or \
               'Mixin' in name:
                continue

            # Get the table data without any options, this also does the
            # initialisation of the table i.e. setup_columns,
            # setup_filters and setup_queryset that we can use later
            table = table_cls()
            all_data = get_data(table)

            self.assertTrue(len(all_data['rows']) > 1,
                            "Cannot test on a %s table with < 1 row" % name)

            if table.default_orderby:
                row_one = get_text_from_td(
                    all_data['rows'][0][table.default_orderby.strip("-")])
                row_two = get_text_from_td(
                    all_data['rows'][1][table.default_orderby.strip("-")])

                if '-' in table.default_orderby:
                    self.assertTrue(row_one >= row_two,
                                    "Default ordering not working on %s"
                                    " '%s' should be >= '%s'" %
                                    (name, row_one, row_two))
                else:
                    self.assertTrue(row_one <= row_two,
                                    "Default ordering not working on %s"
                                    " '%s' should be <= '%s'" %
                                    (name, row_one, row_two))

            # Test the column ordering and filtering functionality
            for column in table.columns:
                if column['orderable']:
                    # If a column is orderable test it in both order
                    # directions ordering on the columns field_name
                    ascending = get_data(table_cls(),
                                         {"orderby": column['field_name']})

                    row_one = get_text_from_td(
                        ascending['rows'][0][column['field_name']])
                    row_two = get_text_from_td(
                        ascending['rows'][1][column['field_name']])

                    self.assertTrue(row_one <= row_two,
                                    "Ascending sort applied but row 0: \"%s\""
                                    " is less than row 1: \"%s\" "
                                    "%s %s " %
                                    (row_one, row_two,
                                     column['field_name'], name))

                    descending = get_data(table_cls(),
                                          {"orderby":
                                           '-'+column['field_name']})

                    row_one = get_text_from_td(
                        descending['rows'][0][column['field_name']])
                    row_two = get_text_from_td(
                        descending['rows'][1][column['field_name']])

                    self.assertTrue(row_one >= row_two,
                                    "Descending sort applied but row 0: %s"
                                    "is greater than row 1: %s"
                                    "field %s table %s" %
                                    (row_one,
                                     row_two,
                                     column['field_name'], name))

                    # If the two start rows are the same we haven't actually
                    # changed the order
                    self.assertNotEqual(ascending['rows'][0],
                                        descending['rows'][0],
                                        "An orderby %s has not changed the "
                                        "order of the data in table %s" %
                                        (column['field_name'], name))

                if column['filter_name']:
                    # If a filter is available for the column get the filter
                    # info. This contains what filter actions are defined.
                    filter_info = get_data(table_cls(),
                                           {"cmd": "filterinfo",
                                            "name": column['filter_name']})
                    self.assertTrue(len(filter_info['filter_actions']) > 0,
                                    "Filter %s was defined but no actions "
                                    "added to it" % column['filter_name'])

                    for filter_action in filter_info['filter_actions']:
                        # filter string to pass as the option
                        # This is the name of the filter:action
                        # e.g. project_filter:not_in_project
                        filter_string = "%s:%s" % (column['filter_name'],
                                                   filter_action['action_name'])
                        # Now get the data with the filter applied
                        filtered_data = get_data(table_cls(),
                                                 {"filter" : filter_string})

                        # date range filter actions can't specify the
                        # number of results they return, so their count is 0
                        if filter_action['count'] != None:
                            self.assertEqual(len(filtered_data['rows']),
                                             int(filter_action['count']),
                                             "We added a table filter for %s but "
                                             "the number of rows returned was not "
                                             "what the filter info said there "
                                             "would be" % name)


            # Test search functionality on the table
            something_found = False
            for search in list(string.ascii_letters):
                search_data = get_data(table_cls(), {'search' : search})

                if len(search_data['rows']) > 0:
                    something_found = True
                    break

            self.assertTrue(something_found,
                            "We went through the whole alphabet and nothing"
                            " was found for the search of table %s" % name)

            # Test the limit functionality on the table
            limited_data = get_data(table_cls(), {'limit' : "1"})
            self.assertEqual(len(limited_data['rows']),
                             1,
                             "Limit 1 set on table %s but not 1 row returned"
                             % name)

            # Test the pagination functionality on the table
            page_one_data = get_data(table_cls(), {'limit' : "1",
                                                   "page": "1"})['rows'][0]

            page_two_data = get_data(table_cls(), {'limit' : "1",
                                                   "page": "2"})['rows'][0]

            self.assertNotEqual(page_one_data,
                                page_two_data,
                                "Changed page on table %s but first row is the "
                                "same as the previous page" % name)
